Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.955 5.748/6.771 6.295 ± 0.6527
ea02 1342 1342/1342 1342 ± 0.00004958 6.144 5.792/7.111 6.522 ± 0.7312
ea04 1342 1342/1342 1342 ± 0.00002929 5.53 5.213/6.193 5.742 ± 0.6099
ea05 1342 1342/1342 1342 ± 0.000008199 5.532 5.267/6.494 5.849 ± 0.6872
ea06 1342 1342/1342 1342 ± 0.00003632 5.337 4.878/5.555 5.276 ± 0.4279
ea07 1342 1342/1342 1342 ± 0.00004184 5.958 5.695/6.645 6.305 ± 0.7227
ea08 1342 1342/1342 1342 ± 0.00004182 6.55 5.875/7.495 6.741 ± 0.9317
ea09 1342 1342/1342 1342 ± 0.00002115 6.038 5.577/6.778 6.155 ± 0.6789
ea10 1342 1342/1342 1342 ± 0.00004471 6.026 5.705/7.277 6.472 ± 0.8067
ea11 1342 1342/1342 1342 ± 0.00004384 6.22 5.543/7.012 6.371 ± 0.8557
ea12 1342 1342/1342 1342 ± 0.00003332 5.842 5.434/6.64 6.081 ± 0.7295
ea13 1342 1342/1342 1342 ± 0.00001385 6.529 5.838/7.06 6.432 ± 0.6121
ea14 1342 1342/1342 1342 ± 0.00003808 5.61 5.449/6.689 6.089 ± 0.7437
ea15 1342 1342/1342 1342 ± 0.00002656 5.836 5.269/6.553 6.051 ± 0.7803
ea16 1342 1342/1342 1342 ± 0.00001648 6.24 5.672/6.991 6.319 ± 0.8664
ea17 1342 1342/1342 1342 ± 0.00004378 6.256 5.907/7.59 6.68 ± 0.8404
ea18 1342 1342/1342 1342 ± 0.00004347 5.477 5.113/5.981 5.586 ± 0.5144
ea19 1342 1342/1342 1342 ± 0.00001976 5.788 5.591/6.839 6.218 ± 0.7225
ea20 1342 1342/1342 1342 ± 0.00003727 6.036 5.804/7.099 6.416 ± 0.7537
ea21 1342 1342/1342 1342 ± 0.00003065 5.619 5.406/6.475 5.969 ± 0.6629
ea22 1342 1342/1342 1342 ± 0.00003311 5.864 5.328/6.569 6.052 ± 0.7361
ea23 1342 1342/1342 1342 ± 0.00004114 5.868 5.646/6.89 6.335 ± 0.8189
ea25 1342 1342/1342 1342 ± 0.00004392 5.913 5.829/6.908 6.371 ± 0.7237
ea26 1342 1342/1342 1342 ± 0.00002064 6.254 5.819/7.212 6.514 ± 0.7485
ea27 1342 1342/1342 1342 ± 0.00004347 5.94 5.803/7.09 6.368 ± 0.7317
ea28 1342 1342/1342 1342 ± 0.00004294 6.18 5.934/7.212 6.57 ± 0.8107
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002366 5.609 5.358/5.835 5.579 ± 0.3263
5 1342 1342/1342 1342 ± 0.00003691 5.585 5.388/5.766 5.604 ± 0.271
6 1342 1342/1342 1342 ± 0.00002475 5.576 5.432/5.862 5.606 ± 0.2918
7 1342 1342/1342 1342 ± 0.00002428 5.664 5.446/5.863 5.628 ± 0.3009
8 1342 1342/1342 1342 ± 0.00002428 5.601 5.345/5.793 5.574 ± 0.3109
9 1342 1342/1342 1342 ± 0.00002758 5.782 5.341/5.917 5.701 ± 0.3564
10 1342 1342/1342 1342 ± 0.00002366 6.468 6.124/6.69 6.382 ± 0.4078
11 1342 1342/1342 1342 ± 0.00002366 6.617 6.52/6.923 6.63 ± 0.4283
12 1342 1342/1342 1342 ± 0.00002411 6.836 6.529/7.113 6.8 ± 0.4481
13 1342 1342/1342 1342 ± 0.00002366 7.364 7.1/7.588 7.299 ± 0.4399
14 1342 1342/1342 1342 ± 0.00002366 7.515 7.312/7.793 7.468 ± 0.4875
15 1342 1342/1342 1342 ± 0.00002427 7.024 6.811/7.269 6.955 ± 0.5024
16 1342 1342/1342 1342 ± 0.00005727 5.481 5.323/5.626 5.457 ± 0.2305
17 1342 1342/1342 1342 ± 0.0000606 5.733 5.558/5.915 5.71 ± 0.2891
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
Start time
2025-01-07 04:17:56.536
End
2025-01-07 05:09:44.957
Duration
0:51:48.422
Note, WebLog generation is not included in the time.

CASA logs for stage 8